1871631

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 2864160

約数和(自身を除く): 992529

約数列:

[1, 3, 9, 29, 71, 87, 101, 213, 261, 303, 639, 909, 2059, 2929, 6177, 7171, 8787, 18531, 21513, 26361, 64539, 207959, 623877, 1871631]

約数ペア:

[(1, 1871631), (3, 623877), (9, 207959), (29, 64539), (71, 26361), (87, 21513), (101, 18531), (213, 8787), (261, 7171), (303, 6177), (639, 2929), (909, 2059)]